I. adverb Etymology: from the difficulty of cheating at cards when the hands are above the table Date: 1594 in a straightforward manner ; openly, II. adjective Date: 1648 free from all traces of deceit or duplicity
ABOVEBOARD
Meaning of ABOVEBOARD in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012